>> "OpenJFX is a project under the charter of the OpenJDK." Many committers are Oracle employees.
Yes, but while Oracle employees may contribute to OpenJFX development, JavaFX is not an officially supported Oracle product (beyond legacy support of old JDK versions):
"Do I need a separate support contract for JavaFX?
No. JavaFX is part of the technologies covered under Oracle Java SE Subscription. As of JDK 7u6 JavaFX is included with the standard JDK and JRE bundles.
Note that for JDK 11 and later JavaFX is no longer included the JDK but remains available as a third party library from other vendors."
Yes, but while Oracle employees may contribute to OpenJFX development, JavaFX is not an officially supported Oracle product (beyond legacy support of old JDK versions):
"Do I need a separate support contract for JavaFX?
No. JavaFX is part of the technologies covered under Oracle Java SE Subscription. As of JDK 7u6 JavaFX is included with the standard JDK and JRE bundles.
Note that for JDK 11 and later JavaFX is no longer included the JDK but remains available as a third party library from other vendors."
Source: https://www.oracle.com/java/technologies/faqs-jsp.html